Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual classe teve 1 feito e número de frota de 406?
 ###Tabelas: CREATE TABLE constituency_201-243 (constituency_201-243_id AUTO_INCREMENT PRIMARY KEY, Constituency No. INT, Vidhan Sabha Constituency VARCHAR, Reservation for SC/ST VARCHAR, District VARCHAR, Lok Sabha VARCHAR) CREATE TABLE class_f:_2-8-0 (class_f:_2-8-0_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Wheel arrangement VARCHAR, Fleet number(s) VARCHAR, Manufacturer VARCHAR, Year made VARCHAR, Quantity made VARCHAR, Quantity preserved VARCHAR) CREATE TABLE cities_by_gdp (cities_by_gdp_id AUTO_INCREMENT PRIMARY KEY, Rank INT, City VARCHAR, State VARCHAR, GDP in $ID B VARCHAR, Population M (LUZ) INT, GDP per capita $ID K VARCHAR, Eurozone VARCHAR) CREATE TABLE physical_composition (physical_composition_id AUTO_INCREMENT PRIMARY KEY, Size VARCHAR, Density VARCHAR, Tracks INT, Coercivity VARCHAR, Unformatted capacity per side VARCHAR) CREATE TABLE general_election_results (general_election_results_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Candidates INT, Total votes INT, Average votes per candidate INT, % of total vote VARCHAR, Average % of vote per candidate VARCHAR, Saved Deposits INT, Number of MPs INT)  
SELECT Class FROM class_f:_2-8-0 WHERE Quantity made = 1 AND Fleet number(s) = 406